V-type engine.



B. n. STEVENS.l

`\l--TYPE ENGINE.

APPLICATION FILED JLY 28,1915.

Pan-em@ may wm.

MGT/m9,

2 SHEETS-SHEET L B. SIU/ENS.

V-TYPE ENGINE.

`APPLICATION FILED IuLY 28,19I5.

Patented lIIay 28, 1918 2 SHEETS-SHEET 2 Wwe/5595,' QJ l 'in order if) @Emp larg@ mumbai' of waiver? and h 0 arming LJ .J

mechzmsn'x, may n more han @ffsee any acmmmg@ seemed Sy :m inceasg. lmmrm 0f cyinders, Whareag ahe use @i a Sng@ rotary valve o serve a cylinders of LL type engine, mi the air cooling off such 1m engine sa reduces the number" of paris5 'he resuan complication that any mumbai' of cylinders desired may be usedl The invention will be mare 'eadly unflb stam?. by reez'ence @o h@ accompanying; mwingsj whemn.

Q; is :fm aetem 011th@ iin@ @Wifi mi? the cylinders communicate with the cylindrical casing by means of the conduits 18.

'Mounted Within the casino' 19 is a rotar f valve 20. This valve as minutely described in connection with iny co-pending applieetion .referred to, is divided into three coinpartments. The central opening 21, extends from end to end ci the valve and acts as an exhaust conduit. Ports or passages 22, equi'- distantly spaced, provide for communication between the conduits and the exhaust openn ing. Also extending through the valve member froin end to end, but not in a straight line, ere the passages 23. These l#passages have no communication With the cylinders and are intended as conduits for a cooling medium, such as nir or Water. They serve to insulate the exhaust from the intake passa es 24., which are located close to the perip iery of the valve and Which passages are provided with ports 25, registering at intervals with the openings in the conduit 18. The valve member 20, is caused to 2otate in proper timed relation by means of the gearing 26, end chain 27, best shown in Fig. i. A suction fan 28, is mounted at the axis of' the valve member, motion being imparted to the fan by a belt which passes over the pulleys 29, 3G. The current of air produced by the fan is directed through the valve member and around the cylinders by means of the housing 31, which may be formed of light sheet metal. The exhaust outlet will be provided by the elbow 32, es best shown in Fig. 1, a rotating 'oint being provided betr/een this elbow an the valve member. The intake manifold .is indiculed at 33, sind 1s located at the top oi' 'the valve. As a means for lubrieatingy the cylinder novide a trouvli 3i. in the valve casino' i and in this trough I mount a roller 3.7,tl1e poriphery of which, at its lower edge, contacts a body oi oil 3G, lield in the trough. "lfhe upper edge of the roller engages the surface oit' the valve member. rljhus a constant supply of oil is delivered to the valve member, the degree of' lubrication being fixed by the extent of innneision of the roller in the oil.

I claim:

l. lin an engine, the combination of a plun rality of pairs of anguiarly dif-i oecd cylinders, :i: valve casing disposed between. and iudependent of the pairs of cylinders, a single rotary valve Within said casing, :i housing around said casing, and ineans `for inducing: a current of air through said valve and bctween said casing and housing.

Q. in an engine the con'ibinution of a plu-- rality oih pairs 01"' angularly disposed cylinders, a valve casing disposed between and in dgendently of the pairs of cylinders, :i single rotary valve within said ing, and ineans 'for inducing a current of an.' through said valve and around the exterior of said casing, substantially' :is described.

Signed at Chicago, lll., this 24th day of July, A. 13.1915.

BURT D. STEVENS.

Witnesses:

B. F. Dromen, C. W. Knaus. 

